Pulse or digital communications – Spread spectrum – Frequency hopping
Reexamination Certificate
2011-06-07
2011-06-07
Corrielus, Jean B (Department: 2611)
Pulse or digital communications
Spread spectrum
Frequency hopping
Reexamination Certificate
active
07957451
ABSTRACT:
A spread spectrum communication system includes a transceiver configured to transmit a spread spectrum waveform. The spread spectrum waveform comprises transmitted signals at varying frequencies within a radio frequency spectrum of operation. The frequency variation is controlled according to a hopping sequence. A spectral sensor of the communication system is configured to dynamically scan the radio frequency spectrum of operation and to generate channel occupancy data based upon the scans. A real time hopping sequence generator is configured to dynamically generate the hopping sequence in real time as a function of the channel occupancy data.
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Commercial cognitive commercial radio from Adapt 4—www.adapt4.com at least by Sep. 13, 2007.
Baugh David K.
Benson Kent D.
Frank Gunther B.
Frank Robert J.
Hoech Karl F.
Barbieri Daniel M.
Corrielus Jean B
Evans Matthew J.
Rockwell Collins, Inc.
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